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Overview
Title Barge Saf-400 Swing Control and Drive System
Scope Supply, Design, Integration, Installation, Commissioning, Training
Customer Sadaf off-shore company
Structure Main and Backup Motor Control Panels of barge Saf-400
Location Persian Gulf
Date Nov, 2003

Process
Saf-400 is a barge belonging to SADAF Co. This barge has a 400-ton swing crane that helps moving heavy objects in the sea.
The bulky structure of the crane rotates 360 degrees using 3 mechanically geared DC motors. The main drive feeds the 3 DC motors simultaneously. An identical backup unit can takeover in emergency situations.
Each drive system is complete with an operator interface display, which reports its operation and error reports in plain texts.
The operator manipulates the swing using a joystick from the control room.
The mission was to replace the 2 out of order old DC motor drives and its integrated logic control systems with drive and control systems of state-of-the art technology.


HW & SW Units Comment Supplier
MENTOR II Microprocessor-based DC motor control systems with integrated PLC and Operator’s Panel Control Technique
Installation Wiring, Cabling, Adding Switchgear Contronic Co.
Commissioning Parameterization, PLC programming, Configuration of Operator’s Display

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